Hardware Spec Index

Novexa PW-8431 Ultra 750W 80 PLUS Bronze SFX Power Supply

Power Supplies · Novexa · SKU PW8431-ULTRA · Released 2023 · Updated 2026-10-20

Key facts

Benchmark index1,087 (Power Supplies scale)
Category rank#2,659
Street price$49
Power750 W (rated)
Performance per dollar22.18
Released2023

Specifications

BrandNovexa
ModelNovexa PW-8431 Ultra
Rated output750 W continuous
Efficiency80 PLUS Bronze (85% at 50% load, 115 V)
StandardATX 3.0 / PCIe CEM 5.0
GPU power1× 12VHPWR (600 W)
PCIe 8-pin2×
Form factorSFX-L
ModularityNon-modular
Fan120 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 17 ms
ProtectionsOCP, OVP, UVP, OPP, OTP, SCP
Warranty5 years

Related guides

80 PLUS Efficiency Ratings ExplainedATX 3.1 Power Supplies and the 12V-2x6 Connector

Similar Power Supplies

ModelBenchmarkPriceCompare
Caldera PW-1235 Core 850W 80 PLUS Gold ATX Power Supply1,896$139Compare
Zephyra PW-5323 SE 1300W 80 PLUS Gold ATX 3.1 Power Supply2,661$279Compare
Caldera PW-4576 Ultra 1600W 80 PLUS Titanium ATX 3.1 Power Supply2,673$359Compare
Vantrel PW-8776 Edge 1600W 80 PLUS Platinum ATX 3.1 Power Supply2,907$369Compare
Caldera PW-2558 Prime 1200W 80 PLUS Titanium ATX 3.1 Power Supply2,213$259Compare
Teralux PW-2838 XT 1000W 80 PLUS Platinum ATX Power Supply2,016$149Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Novexa PW-8431 Ultra 750W 80 PLUS Bronze SFX Power Supply”, https://vextor7.com/item/526559 (accessed 2026-10-20).